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  <a name="EN-US_TOPIC_0000001792549164"></a><a name="EN-US_TOPIC_0000001792549164"></a>
  <h1 class="topictitle1">Restoring MongoDB</h1>
  <div>
   <p>This section describes how to use copies to restore a MongoDB instance that has been backed up to the original or a different host.</p>
   <div class="section">
    <h4 class="sectiontitle">Prerequisites</h4>
    <ul>
     <li>Before restoration, ensure that the remaining space of the data directory at the target location for restoration is greater than the size of the copy used for restoration before reduction. Otherwise, restoration will fail.</li>
    </ul>
    <ul>
     <li>Before the restoration, ensure that the instance in the target location has been stopped. Otherwise, the restoration will fail.</li>
    </ul>
   </div>
   <div class="section">
    <h4 class="sectiontitle">Procedure</h4>
    <ol>
     <li><span>Choose <span class="uicontrol" id="EN-US_TOPIC_0000001792549164__en-us_topic_0000001839142377_uicontrol3329549395"><b><span id="EN-US_TOPIC_0000001792549164__en-us_topic_0000001839142377_text732145416391"><strong>Explore</strong></span> &gt; <span id="EN-US_TOPIC_0000001792549164__en-us_topic_0000001839142377_text1932135423913"><strong>Copy Data</strong></span> &gt; <span id="EN-US_TOPIC_0000001792549164__en-us_topic_0000001839142377_text12694336586"><strong>Big Data</strong></span> &gt; MongoDB</b></span>.</span></li>
     <li><span>Search for copies by MongoDB resource or copy. This section describes how to search for copies by resource.</span><p></p><p>On the <span class="uicontrol"><b><span><strong>Resources</strong></span></b></span> tab page, locate the resource to be restored by resource name and click the resource name.</p> <p>On the <span class="uicontrol"><b>Copy</b></span> page, find the target copy based on the copy information, and choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Restore</strong></span></b></span> in the row where the copy is located.</p> <p></p></li>
     <li><span>Select the year, month, and day in sequence to find the copy.</span><p></p><p>If <span><img src="en-us_image_0000001792549188.png"></span> is displayed below a month or day, copies exist in the month or on the day.</p> <p></p></li>
     <li><span>Choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Restore</strong></span></b></span> in the row where the copy is located.</span><p></p><p><a href="#EN-US_TOPIC_0000001792549164__en-us_topic_0000001263614142_table93951625101715">Table 1</a> describes the related parameters.</p>
      <div class="tablenoborder">
       <a name="EN-US_TOPIC_0000001792549164__en-us_topic_0000001263614142_table93951625101715"></a><a name="en-us_topic_0000001263614142_table93951625101715"></a>
       <table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001792549164__en-us_topic_0000001263614142_table93951625101715" frame="border" border="1" rules="all">
        <caption>
         <b>Table 1 </b>Parameters for restoring a MongoDB instance
        </caption>
        <colgroup>
         <col style="width:32.53%">
         <col style="width:67.47%">
        </colgroup>
        <thead align="left">
         <tr>
          <th align="left" class="cellrowborder" valign="top" width="32.53%" id="mcps1.3.3.2.4.2.2.2.3.1.1"><p>Parameter</p></th>
          <th align="left" class="cellrowborder" valign="top" width="67.47%" id="mcps1.3.3.2.4.2.2.2.3.1.2"><p>Description</p></th>
         </tr>
        </thead>
        <tbody>
         <tr>
          <td class="cellrowborder" valign="top" width="32.53%" headers="mcps1.3.3.2.4.2.2.2.3.1.1 "><p><span><strong>Restore To</strong></span></p></td>
          <td class="cellrowborder" valign="top" width="67.47%" headers="mcps1.3.3.2.4.2.2.2.3.1.2 "><p>Select either <span class="uicontrol"><b><span><strong>Original location</strong></span></b></span> or <span class="uicontrol"><b><span><strong>New location</strong></span></b></span>.</p></td>
         </tr>
         <tr>
          <td class="cellrowborder" valign="top" width="32.53%" headers="mcps1.3.3.2.4.2.2.2.3.1.1 "><p><span><strong>Location</strong></span></p></td>
          <td class="cellrowborder" valign="top" width="67.47%" headers="mcps1.3.3.2.4.2.2.2.3.1.2 "><p>If you select <span class="uicontrol"><b><span><strong>Original location</strong></span></b></span>, the target location is displayed by default.</p></td>
         </tr>
         <tr>
          <td class="cellrowborder" valign="top" width="32.53%" headers="mcps1.3.3.2.4.2.2.2.3.1.1 "><p><span><strong>Target Location</strong></span></p></td>
          <td class="cellrowborder" valign="top" width="67.47%" headers="mcps1.3.3.2.4.2.2.2.3.1.2 "><p>If you select <span><strong>New location</strong></span>, select the target location for the restoration.</p></td>
         </tr>
         <tr>
          <td class="cellrowborder" valign="top" width="32.53%" headers="mcps1.3.3.2.4.2.2.2.3.1.1 "><p><span><strong>User for Instance Start</strong></span></p></td>
          <td class="cellrowborder" valign="top" width="67.47%" headers="mcps1.3.3.2.4.2.2.2.3.1.2 "><p>If this parameter is not specified, the owning user of the <strong>dbpath</strong> directory in the MongoDB directory is used by default.</p></td>
         </tr>
        </tbody>
       </table>
      </div> <p></p></li>
     <li><span>Click <span class="uicontrol"><b><span><strong>OK</strong></span></b></span>.</span></li>
    </ol>
   </div>
  </div>
  <div>
   <div class="familylinks">
    <div class="parentlink">
     <strong>Parent topic:</strong> <a href="en-us_topic_0000001792389388.html">Restoration</a>
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